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A.UseanInventoryServicesretrievaltoshowadapterfeatures.
B.RetrievepreviouseConfigproposalstoseewhatothershadshown.
C.CalltheAccountExecutivetoaskwhatthecustomerhasusedinthepast.
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A.WhichthreeinterfacecommandswillconfiguretheswitchporttosupportaconnectedCiscophoneandtotrusttheCoSvaluesreceivedontheportifCDPdiscoversthataCiscophoneisattached？（）
A.switchportvoicevlanvlan-id
B.mlsqostrustdevicecisco-phone
C.switchportpriorityextendcos_value
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